5V 2A/2.4A Lithium Ion Charging Module

This is a 5V 2A/2.4A Lithium Ion Charging Module that combines charging and discharging functionalities in a single unit. It features an innovative shared input-output port design. When a 5V input is connected, the module enters charging mode. In other situations, it automatically switches to output mode, continuously providing a stable 5V output (even without a load, it will maintain a static 5V output).

The module is built with various protection mechanisms, including overcurrent and overvoltage protection, ensuring the safety of the devices in use. Additionally, it is equipped with an LED indicator to clearly show the current working status of the module, making it easy for users to monitor its operation.

5V 2A/2.4A TYPE-C

Main Parameters:

• Output Current: 5V/2.4A
• Charging Voltage: DC 4.5V-5.5V (Recommended to use 5V)
• Charging Current: 0-2.1A
• Output Voltage: 5V ±2%
• Efficiency: >96%
• Standby Current: 80uA
• Operating Temperature: -20℃ ~ +85℃

Features:

1. Input/Output Ports: Supports Type-C input and output.
2. Overcurrent, Overvoltage, and Short Circuit Protection: Ensures safety during use.
3. Built-in Protection IC: Includes a master control chip with protection functions.
4. Compact Design: Requires only a USB port for use.
5. LED Indicator: Displays working status.

Additional Details:

• Size: 26mm x 17mm x 6mm.
• Input Voltage: Supports DC 5V input.
• USB-Compatible: Can be used with USB ports.

5V2A/2.4ATYPE-C+USB

Main Parameters:

• Output Current: 5V/2.4A
• Charging Voltage: DC 4.5V-5.5V (recommended to use 5V)
• Charging Current: 0-2.1A
• Output Voltage: 5V ±2%
• Efficiency: >96%
• Standby Current: 80uA
• Operating Temperature: -20℃ ~ +85℃

Features:

1. Input/Output Ports: Supports Type-C input and USB output.
2. Overcurrent, Overvoltage, and Short Circuit Protection: Ensures safe operation.
3. Built-in Protection IC: Includes a master control chip with protection functions.
4. Compact Design: Requires only USB output for use.
5. LED Indicator: Displays working status.

Additional Details:

• Size: 26mm x 19mm.
• Input Voltage: Supports DC 5V input.
• Compatible with USB output.

Key Specifications:

• Input Voltage: DC 4.5V to 5.5V (recommended DC 5V)
• Charging Current: 0~2.1A
• Output Voltage: 4.2V ± 1%
• Discharge Current: 80A
• Efficiency: ≥96%
• Output Voltage Range: 5V ~ 5.15V
• Environment Temperature: -20°C ~ +85°C
• Overcurrent Protection (OCP), Overvoltage Protection (OVP), Short Circuit Protection (SCP), Over Temperature Protection (OTP)

Features:

1. Input and Output Port: Same port is used for both input and output.
2. Airborne Protection: Includes overvoltage and overcurrent protection.
3. Small Size: Requires a USB output but can be expanded with an additional USB port.
4. Preparation for Line Output: Can be used in various portable power devices.

Additional Notes:

• The module is designed to work with lithium batteries, such as 18650 batteries, and can be charged safely at 4.2V.
• It has a built-in LED indicator that shows the operational status.
• The module supports up to 2A charging current for effective charging of portable devices.

Standard Edition

Key Specifications:

• Input Voltage: DC 4.5V to 5.5V (recommended DC 5V)
• Charging Current: 0~2A
• Charging Full Voltage: 4.2V ± 1%
• Charging Static Current: 100uA
• Discharge Current: 50mA
• Efficiency: ≥96%
• Output Voltage: 5V
• Environment Temperature: -20°C ~ +85°C

Features:

1. Two Modes: It has both charging and discharging functions.
2. Protection: Includes overcurrent, overvoltage, and short circuit protection.
3. Battery Protection: The module supports lithium-ion batteries and includes safety protections like overcharge and overdischarge prevention.
4. LED Indicator: It is equipped with an LED indicator that shows operational status.

Additional Notes:

• The module uses a 3.7V or 4.2V lithium battery and can be charged efficiently at 5V.
• The module supports both charging and discharging functions, with protections built in for safe usage.
• If the current exceeds 50mA for 30 seconds, the system will automatically shut off to protect the module.

Updated version

Key Specifications:

• Input Voltage: DC 4.5V to 5.5V (recommended DC 5V)
• Charging Current: 0~2A
• Charging Full Voltage: 4.2V ± 1%
• Charging Static Current: 100uA
• Discharge Current: 50mA
• Efficiency: ≥96%
• Output Voltage: 5V
• Environment Temperature: -20°C ~ +85°C

Features:

1. Two Modes: The module supports both charging and discharging functions.
2. Protection Features: The module includes overcurrent, overvoltage, and short circuit protection.
3. Lithium Battery Protection: It works with lithium-ion batteries (3.7V or 4.2V) and includes overcharge and overdischarge protections.
4. LED Indicator: The module has an LED indicator to show its operational status.
5. Improved Version: The upgraded version supports more stable performance with enhancements to prevent overload situations.

Additional Notes:

• The module uses a 3.7V or 4.2V lithium battery and can output a stable 5V.
• The KEY feature indicates that if the current exceeds 50mA for 30 seconds, it will automatically cut off the output to prevent overload.

4.2V single charge

Product Description:

• Size: 18mm x 14mm x 4mm
• Input Voltage: DC 4.5V to 5.5V
• Charging Current: 1A stable current
• Battery Type: Supports multiple series-connected lithium batteries
• Suitable Battery: 3.7V lithium battery (e.g., 18650 battery)
• Protection: Overcharge protection at 4.2V, over-discharge protection below 2.9V
• Indicator Lights:
  • Red: Charging
  • Green: Fully Charged
• Type-C Input: The charger can be powered via a Type-C cable for charging.

Key Features:

1. Supports Lithium Batteries: Can be used with 3.7V lithium batteries, commonly the 18650 type.
2. Overcharge & Over-discharge Protection: Ensures safe operation by preventing the battery from charging beyond 4.2V and discharging below 2.9V.
3. Charge Status Indicators: The red LED shows charging in progress, while the green LED indicates the battery is fully charged.
4. Versatile Charging Input: The module uses a Type-C input for easy charging from compatible devices.

This module is designed for small, portable lithium battery-powered devices, providing a compact and safe way to charge batteries like the 18650. It also integrates easily with USB-C charging ports for flexibility.

4.35V single charge

Product Specifications:

• Size: 18mm x 14mm x 4.5mm
• Input Voltage: DC 4.5V to 5.5V, supporting 1A stable current, maximum 1.2A
• Suitable Battery: 3.7V lithium batteries (e.g., 18650), and also supports multi-cell connected lithium batteries
• Charging Protection: Overcharge protection at 4.35V, over-discharge protection below 2.9V
• Temperature Display: The module's label shows 4.2V for regular charging, but in use, it charges to 4.35V (without damaging the battery)
• Indicator Lights:
  • Red: Charging
  • Green: Fully charged
• Type-C Input: The module uses a Type-C charging port.

Key Features:

1. Supports Lithium Batteries: Works with 3.7V lithium batteries (such as 18650), and can also be used with multi-cell setups.
2. Overcharge & Over-discharge Protection: Protects the battery from being overcharged above 4.35V and prevents discharging below 2.9V.
3. Charge Status Indicators: Red LED indicates charging in progress, while the green LED shows that the battery is fully charged.
4. Type-C Charging Input: Charges via a Type-C port, allowing compatibility with modern charging setups.

This charger module is designed for safe and efficient charging of lithium-ion batteries like the 18650, with an upgraded charge cutoff at 4.35V for better performance. The compact size makes it ideal for use in portable power devices.

Product Specifications:

• Size: 16mm x 12mm x 4mm
• Input Voltage: DC 4.5V to 5.5V, with a maximum stable input current of 1.2A
• Suitable Battery: 3.7V lithium battery (e.g., 18650 or other similar lithium batteries), supports multi-cell connected lithium batteries
• Protection Functions:
  • Overcharge protection at 4.2V (with a tolerance of ±0.1V)
  • Over-discharge protection below 2.9V
• Output Mode: Automatic switching between charging and discharging modes, with 5V output and a maximum current output of around 450mA.

Key Features:

1. Smart Charging and Discharging:

   • The module automatically switches between charging and discharging modes, providing a stable 5V output.
   • When fully charged, it provides 5V output for powering devices.

2. Intelligent Battery Recognition:

   • The module automatically recognizes the charging status based on the input voltage.
   • Once the battery is full, the LED indicator stays on (green), signaling the battery is fully charged.

3. Indicator Light:

   • The red light indicates charging.
   • The green light appears once charging is complete.

4. Type-C Input:

   • Uses a Type-C charging input for ease of connection.

Additional Notes:

• Charging Voltage Range: The module supports an input voltage of 4.5V to 5.5V and operates within this range efficiently.
• The module provides a 5V output once the battery is fully charged and is designed to support small devices requiring 5V power.

This module is ideal for portable power applications, providing both charging and discharging capabilities for lithium-ion batteries in a compact form factor.

Boost Module 3.7V to 9V

Product Specifications:

• Size: 24mm x 33mm
• Input Voltage: DC 4.5V to 5V
• Battery Type: 3.7V lithium-ion batteries (e.g., 18650)
• Output Voltage: 9V (boosted from 3.7V)
• Output Current: Maximum 1A (for 9V output)
• Output Mode: Provides 9V from a 3.7V battery; can output 5V when used with appropriate devices.

Key Features:

1. Boosting Function: The module can boost the voltage from 3.7V to 9V, making it suitable for devices that require a higher voltage input.
2. Input Voltage Range: The module accepts a range of 4.5V to 5V input.
3. Charge and Discharge: It supports both charging and discharging of a 3.7V lithium-ion battery (like 18650), with a stable output voltage of 9V or 5V as needed.
4. Protection Circuit: Includes protection for overcharging and over-discharging to ensure safe operation of the connected battery.
5. Micro-USB Input: The module is designed to be powered via a micro-USB input for easy and convenient charging.

Additional Notes:

• The charging voltage should be within 4.5V to 5.0V, and the boosted output is 9V with a maximum current output of 1A.
• This module is ideal for powering devices that require 9V while using a 3.7V lithium-ion battery, making it useful in various portable power applications.

This 3.7V to 9V Boosting Module is perfect for converting a 3.7V lithium battery to 9V for devices requiring higher voltage, while also providing overcharge and over-discharge protection.

Boost Module 3.7V to 9V

Product Specifications:

• Size: 33mm x 23mm
• Input Voltage: DC 4.5V to 5V (supports Type-C input)
• Battery Type: 3.7V lithium batteries (e.g., 18650) and multi-cell configurations
• Output Voltage: 9V (boosted from 3.7V)
• Output Current: Maximum 1A at 9V, 0.6A at 12V
• Charging Protection: Overcharge protection at 4.2V ± 0.1V, over-discharge protection below 2.9V
• Output Mode: Boosts 3.7V to 9V, output current is around 1A at 9V
• Temperature Range: Suitable for use in various environments within the specified range.

Key Features:

1. Boost Function: The module boosts 3.7V to 9V for devices that require a higher voltage input.
2. Automatic Switching: The module automatically switches between charging and discharging modes as needed.
3. Input Voltage Range: Works with 4.5V to 5V input, typically from a Type-C charger.
4. Protection Features: Includes overcharge and over-discharge protection, ensuring the battery remains safe during use.
5. LED Indicators: Shows the status of the charge via an LED indicator.
6. Type-C Input: The module is designed for Type-C input, providing modern connectivity for easy charging.

Applications:

• The module is perfect for converting a 3.7V lithium-ion battery (like 18650) into a 9V output for powering devices that require a higher voltage. It can be used in various portable power applications and projects.

Additional Notes:

• The charging and discharging functionality ensures versatility, making this module suitable for DIY projects, power banks, or any system requiring a 9V supply from a 3.7V battery.

Boost Module 3.7V to 9V

Product Specifications:

• Size: 23mm x 18mm
• Input Voltage: 4.2V to 5V via Type-C (supports high-speed charging)
• Battery Type: 3.7V lithium batteries (e.g., 18650), with 4.2V fully charged
• Output Voltage: Boosted to 9V
• Output Current: Adjustable up to 2A
• Charging and Discharging: Can charge the battery and supply stable output power simultaneously.
• Temperature Range: Operates between -40°C to +80°C
• Power Input: 5W maximum power input

Key Features:

1. Boost Function: This module is capable of boosting the 3.7V battery to a stable 9V output.
2. Type-C Input: For faster and more stable charging, the module uses a Type-C port for input, making it easy to charge with modern cables.
3. Adjustable Output Current: The output current is adjustable up to 2A, which is suitable for powering various devices that require 9V.
4. Dual Functionality: The module can simultaneously charge the lithium battery and supply power to connected devices.
5. Temperature Protection: Built to work within a wide range of temperatures (from -40°C to +80°C), ensuring stable performance in different conditions.
6. Overcharge/Over-discharge Protection: Prevents the battery from being overcharged (maximum 4.2V) or over-discharged (below 2.9V).

Additional Notes:

• Battery Protection: The module includes protection for the battery, preventing it from overcharging or over-discharging, making it safe for long-term use.
• LED Indicators: The module uses indicators to show charging status or any issues.

This 3.7V to 9V Boosting Module with Type-C input is ideal for various portable power applications where you need to convert a low 3.7V battery to a 9V output, such as for powering certain devices or custom projects. It offers flexible charging and output capabilities, with built-in safety features.